Item feeder with overthickness detection

Details Item feeder with overthickness detection Item feeder with overthickness detection

2011-01-04

2011-01-04

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

With means to interrupt feeding

C271S263000, C271S265040

Reexamination Certificate

active

07862040

ABSTRACT:
An item feeder includes a deck for supporting items, a transport element for transporting the items along the deck on a transport path from an upstream loading area through a downstream receiving passage, a drive element for driving the transport element, and a cover element comprising a leading edge. The cover element may be movable between a closed position in which the leading edge is disposed at a first distance from the deck, and an open position in which the leading edge is disposed at a second greater distance from the deck. The leading edge may engage transported items having a thickness greater than the first distance to move the cover element out of the closed position. The item feeder further includes a controller for controlling the drive element, wherein the controller is configured to stop the drive element when the cover element is moved out of the closed position.

REFERENCES:
patent: 3244971 (1966-04-01), Thompson
patent: 5358235 (1994-10-01), Konno et al.
patent: 6561509 (2003-05-01), Kettenmann et al.
patent: 2003/0141653 (2003-07-01), Kumamoto et al.
patent: 2005/0212200 (2005-09-01), Van Nice et al.

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